Home / 105,617.22-158,445.81-42,442.26

Finding the Fourth Proportional to 105,617.22, 158,445.81 and 42,442.26

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Solution

The fourth proportional to 105,617.22, 158,445.81 and 42,442.26 is: 63,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,617.22 : 158,445.81 = 42,442.26 : x
  2. Step 2: Convert to fraction form
    105,617.22/158,445.81 = 42,442.26/x
  3. Step 3: Cross multiply
    105,617.22x = 158,445.81 × 42,442.26
  4. Step 4: Simplify right side
    105,617.22x = 6,724,798,263.93
  5. Step 5: Solve for x
    x = 6,724,798,263.93/105,617.22
  6. Step 6: Final answer
    x = 63,671.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.